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Deep learning models have been deployed in an increasing number of edge and mobile devices to provide healthcare. These models rely on training with a tremendous amount of labeled data to achieve high accuracy. However, for medical…

机器学习 · 计算机科学 2022-02-16 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yi Sheng , Lei Yang , Alaina J. James , Yiyu Shi , Jingtong Hu

Recent advances in contrastive representation learning over paired image-text data have led to models such as CLIP that achieve state-of-the-art performance for zero-shot classification and distributional robustness. Such models typically…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Shashank Goel , Hritik Bansal , Sumit Bhatia , Ryan A. Rossi , Vishwa Vinay , Aditya Grover

We present MaCLR, a novel method to explicitly perform cross-modal self-supervised video representations learning from visual and motion modalities. Compared to previous video representation learning methods that mostly focus on learning…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Fanyi Xiao , Joseph Tighe , Davide Modolo

Recent studies show that deep learning (DL) based MRI reconstruction outperforms conventional methods, such as parallel imaging and compressed sensing (CS), in multiple applications. Unlike CS that is typically implemented with…

图像与视频处理 · 电气工程与系统科学 2022-08-22 Hongyi Gu , Burhaneddin Yaman , Steen Moeller , Il Yong Chun , Mehmet Akçakaya

The limited understanding capacity of the visual encoder in Contrastive Language-Image Pre-training (CLIP) has become a key bottleneck for downstream performance. This capacity includes both Discriminative Ability (D-Ability), which…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Boyu Han , Qianqian Xu , Shilong Bao , Zhiyong Yang , Ruochen Cui , Xilin Zhao , Qingming Huang

Multimodal Contrastive Learning (MCL) advances in aligning different modalities and generating multimodal representations in a joint space. By leveraging contrastive learning across diverse modalities, large-scale multimodal data enhances…

机器学习 · 计算机科学 2025-09-23 Xiaohao Liu , Xiaobo Xia , See-Kiong Ng , Tat-Seng Chua

Attempt to fully discover the temporal diversity and chronological characteristics for self-supervised video representation learning, this work takes advantage of the temporal dependencies within videos and further proposes a novel…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Yang Liu , Keze Wang , Haoyuan Lan , Liang Lin

In the realm of time series analysis, tackling the phenomenon of concept drift poses a significant challenge. Concept drift -- characterized by the evolving statistical properties of time series data, affects the reliability and accuracy of…

机器学习 · 计算机科学 2025-02-03 Kunpeng Xu , Lifei Chen , Shengrui Wang

Temporal link prediction is crucial for rapidly growing social networks. Existing methods often overlook the underlying causal mechanisms that drive link formation, making it difficult for algorithms to adapt to complex structures that…

机器学习 · 计算机科学 2026-05-12 Hantong Feng , Duxin Chen , Wenwu Yu

Synthesizing longitudinal medical images at controllable disease stages while preserving patient-specific anatomy is hindered by the entanglement of pathological textures and structural features. We address this challenge for ulcerative…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Umut Dundar , Alptekin Temizel

Current sequential recommender systems are proposed to tackle the dynamic user preference learning with various neural techniques, such as Transformer and Graph Neural Networks (GNNs). However, inference from the highly sparse user behavior…

信息检索 · 计算机科学 2023-03-22 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang , Da Luo , Kangyi Lin

This paper discusses how ophthalmologists often rely on multimodal data to improve diagnostic accuracy. However, complete multimodal data is rare in real-world applications due to a lack of medical equipment and concerns about data privacy.…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Xinkun Wang , Yifang Wang , Senwei Liang , Feilong Tang , Chengzhi Liu , Ming Hu , Chao Hu , Junjun He , Zongyuan Ge , Imran Razzak

Graph Contrastive Learning (GCL) establishes a new paradigm for learning graph representations without human annotations. Although remarkable progress has been witnessed recently, the success behind GCL is still left somewhat mysterious. In…

机器学习 · 计算机科学 2021-10-27 Yanqiao Zhu , Yichen Xu , Qiang Liu , Shu Wu

Disentangled representation learning (DRL) aims to break down observed data into core intrinsic factors for a profound understanding of the data. In real-world scenarios, manually defining and labeling these factors are non-trivial, making…

机器学习 · 计算机科学 2024-11-01 Youngjun Jun , Jiwoo Park , Kyobin Choo , Tae Eun Choi , Seong Jae Hwang

Contrastive learning -- a modern approach to extract useful representations from unlabeled data by training models to distinguish similar samples from dissimilar ones -- has driven significant progress in foundation models. In this work, we…

机器学习 · 统计学 2025-10-15 Licong Lin , Song Mei

Deep learning has been a prevalence in computational chemistry and widely implemented in molecule property predictions. Recently, self-supervised learning (SSL), especially contrastive learning (CL), gathers growing attention for the…

机器学习 · 计算机科学 2022-06-01 Yuyang Wang , Rishikesh Magar , Chen Liang , Amir Barati Farimani

Self-supervised contrastive learning is an effective approach for addressing the challenge of limited labelled data. This study builds upon the previously established two-stage patch-level, multi-label classification method for…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Salma Haidar , José Oramas

Colonoscopic video retrieval, which is a critical part of polyp treatment, has great clinical significance for the prevention and treatment of colorectal cancer. However, retrieval models trained on action recognition datasets usually…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Qingzhong Chen , Shilun Cai , Crystal Cai , Zefang Yu , Dahong Qian , Suncheng Xiang

Semi-supervised learning is a sound measure to relieve the strict demand of abundant annotated datasets, especially for challenging multi-organ segmentation . However, most existing SSL methods predict pixels in a single image…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Lu Wen , Zhenghao Feng , Yun Hou , Peng Wang , Xi Wu , Jiliu Zhou , Yan Wang

Anatomical landmark detection in medical images is essential for various clinical and research applications, including disease diagnosis and surgical planning. However, manual landmark annotation is time-consuming and requires significant…

图像与视频处理 · 电气工程与系统科学 2025-07-22 Soorena Salari , Arash Harirpoush , Hassan Rivaz , Yiming Xiao